National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

42°F

6°C

Humidity 76%
Wind Speed S 8 mph
Barometer 29.84 in
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 8 Jan 5:15 am CST
Extended Forecast for

Waynesville IL

  • Today

    Today: Rain, mainly after 11am. Patchy fog between 10am and noon. High near 63. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Breezy

  • Tonight

    Tonight: Rain and thunderstorms before 2am, then a slight chance of rain between 2am and 5am. Low around 44. Breezy, with a south wind 20 to 23 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Breezy. Rain
    then Chance
    Rain

  • Friday

    Friday: Mostly cloudy, with a high near 49. Breezy, with a west wind 15 to 20 mph becoming north 7 to 12 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 49 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 35. Northeast wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Partly sunny, with a high near 41. West northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    High: 41 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20. West wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31. West northwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

Detailed Forecast

Today
Rain, mainly after 11am. Patchy fog between 10am and noon. High near 63. Breezy, with a south southeast wind 13 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain and thunderstorms before 2am, then a slight chance of rain between 2am and 5am. Low around 44. Breezy, with a south wind 20 to 23 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly cloudy, with a high near 49. Breezy, with a west wind 15 to 20 mph becoming north 7 to 12 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 35. Northeast wind around 6 mph.
Saturday
A chance of rain before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Partly sunny, with a high near 41. West northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 20. West wind 16 to 18 mph, with gusts as high as 28 mph.
Sunday
Partly sunny, with a high near 31. West northwest wind 11 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Waynesville IL
 40.24°N 89.12°W (Elev. 699 ft)
Last Update:
5:02 am CST Jan 8, 2026
Forecast Valid:
5am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation